/**
 * #      1796
 * 名称   字符串中第二大的数字
 * 链接   https://leetcode-cn.com/problems/second-largest-digit-in-a-string
 * 题解   [48](https://leetcode-cn.com/problems/second-largest-digit-in-a-string/solution)
 * 通过率 46.3%
 * 难道   简单
 */

